Monday, April 11, 2011

Mechanical Ventilation

Benefits of Mechanical Ventilation

Moisture, odors, and other pollutants can build up inside a home if it does not have mechanical ventilation to provide fresh air. Mechanical ventilation systems circulate fresh air using ducts and fans rather than relying on airflow through small holes or cracks in a home’s construction assemblies (e.g., walls, roofs, or windows). Homeowners can breathe easier knowing their home has good ventilation.
The benefits of proper home ventilation include the following:
  1. Better Indoor Air Quality: Indoor air can be many times more polluted than outdoor air, yet the average American spends 90 percent of the day inside. Ventilation systems can significantly improve a home’s air quality by removing allergens, pollutants, and moisture that can cause mold problems. Mechanical ventilation allows for proper ventilation of your home resulting in your breathing cleaner air.
  2. More Control: When homes rely on air flow through construction assemblies for ventilation, the air delivery rate is unpredictable; and there is no control over the source or amount of air. In fact, air leaking into the house may come from undesirable areas such as the garage, attic, or crawl space. Mechanical ventilation systems, however, provide proper fresh air flow along with appropriate locations for intake and exhaust.
  3. Improved Comfort. Mechanical ventilation systems allow a constant flow of outside air into the home and can also provide filtration, dehumidification, and conditioning of the incoming outside air.

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